contagion index meaning in English

触染指数

We selected several landscape metrics , such as landscape diversity metrics , edge index , fractal dimension , evenness index , contagion index and so on
对绿洲-荒漠景观的镶嵌测定包括景观多样性、边缘特征、分维数、均匀度、分散度和蔓延度等。
The annual variation of runoff turned to uniform with the landscape patchiness index and landscape diversity index increased , and it turned to extreme with the landscape contagion index and landscape dominant index increased , and it did not relate to landscape shape index
随着景观破碎度和景观多样性的增大，流域径流年内分配趋于均衡；而随景观聚集度的增大，流域径流年内分配则趋向集中，景观形状对流域径流调节作用不明显。
Combining with fragstats software , landscape diversity index ( h ) , landscape dominance index ( d ) , landscape evenness index ( e ) , fractal dimension , landscape contagion index and landscape fragmentation index are calculated . they show : ? grassplot landscape is a primary landscape type in gansu . the numbers of big patch is much more
以甘肃省为例，基于景观生态学基础上，利用arcview和arc / info地理信息系统软件对甘肃省景观系统进行分类，结合景观指标计算软件fragstats计算出了甘肃省景观多样性指数( h ) 、优势度指数( d ) 、均匀度指数( e ) 、斑块分维数、聚集度指数以及斑块的破碎度指数。